<template>
  <div class="goodsinfo-container">
    <transition @before-enter="beforeEnter" @enter="enter" @after-enter="afterenter">
      <div class="ball" v-show="ballFlag" ref="ball"></div>
    </transition>

    <!-- 商品轮播图区域 -->
    <div class="mui-card">
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <swiper :lunbotuList="lunbotuList" :isfull="false"></swiper>
        </div>
      </div>
    </div>

    <!-- 商品购买区域 -->
    <div class="mui-card">
      <div class="mui-card-header">{{goodsinfo.title}}</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p class="price">
            市场价:
            <del>￥{{goodsinfo.market_price}}</del>&nbsp;&nbsp;销售价：
            <span class="now_price">￥{{goodsinfo.sell_price}}</span>
          </p>
          <p>购买数量：
            <numbox @getcount="getSelectedCount" :max="goodsinfo.quantity"></numbox>
          </p>
          <p>
            <mt-button type="primary" size="small">立即购买</mt-button>
            <mt-button type="danger" size="small" @click="addToShopCar">加入购买车</mt-button>
          </p>
        </div>
      </div>
    </div>
    <!-- 商品参数区域 -->
    <div class="mui-card">
      <div class="mui-card-header">商品参数</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p>商品货号：{{goodsinfo.title}}</p>
          <p>库存情况：{{goodsinfo.stock_quantity}}件</p>
          <p>上架时间：{{goodsinfo.add_time | dateFormat}}</p>
        </div>
      </div>
      <div class="mui-card-footer">
        <mt-button type="primary" size="large" @click="goodsDesc(id)">图文介绍</mt-button>
        <mt-button type="danger" size="large" @click="goodsComment(id)">商品评论</mt-button>
      </div>
    </div>
  </div>
</template>
<script>
import swiper from "../subcomponents/swiper.vue";

import numbox from "../subcomponents/goodsinfo_numbox.vue";
export default {
  data() {
    return {
      id: this.$route.params.id,
      lunbotuList: [],
      goodsinfo: {},
      ballFlag: false,
      selectedCount: 1
    };
  },
  created() {
    this.getLunbotu();
    this.getGoodsInfo();
  },
  methods: {
    getLunbotu() {
      thit.$http.get("api/getthumimages/" + this.id).then(result => {
        if (result.body.status === 0) {
          result.body.message.array.forEach(item => {
            item.img = item.src;
          });
          this.lunbotuList = result.body.message;
        }
      });
    },
    getGoodsInfo() {
      this.$http.get("api/goods/getinfo/" + this.id).then(result => {
        if (result.body.status === 0) {
          this.goodsinfo = result.body.message[0];
        }
      });
    },
    goodsDesc(id) {
      this.$router.push({ name: "goodsDesc", params: { id } });
    },
    goodsComment(id) {
      this.$router.push({ name: "goodsComment", params: { id } });
    },
    addToShopCar() {
      this.ballFlag = !this.ballFlag;
      var goodsinfo = {
        id: this.id,
        count: this.selectedCount,
        price: this.goodsinfo.sell_price,
        selected: true
      };
      this.$store.commit('addToCar',goodsinfo)
    },
    beforeEnter(el) {
      el.style.transform = "translate: (0 0)";
    },
    enter(el, done) {
      const ballPosition = this.$refs.ball.getBoundClientRect();
      const badgePosition = document
        .getElementById("badge")
        .getBoundClientRect();

      const XDist = badgePosition.left - ballPosition.left;
      const YDist = badgePosition.top - ballPosition.top;

      el.offsetWidth;
      el.style.transform = `translate(${XDist}px,${YDist}px)`;
      el.style.transition = "all 0.5s cubic-bezier(.81,.16,.97,.53)";
      done();
    },
    afterenter(el) {
      this.ballFlag = !this.ballFlag;
    },
    getSelectedCount(count) {
      this.selectedCount = count;
    }
  },
  components: {
    swiper,
    numbox
  }
};
</script>
<style lang="scss" scoped>
.goodsinfo-container {
  background-color: #eee;
  overflow: hidden;
  .now_price {
    color: #fc0000;
    font-size: 16px;
    font-weight: 700;
  }
}
.mui-card-footer {
  display: blcok;
  button {
    margin: 15px 0;
  }
}
.ball {
  width: 15px;
  height: 15px;
  color: #fc0000;
  border-radius: 50%;
  position: absolute;
  z-index: 999;
  top: 390px;
  left: 146px;
}
</style>
